http://www.guampdn.com/VideoNetwork/1745380308001/Google-Others-Knocking-Hard-on-Apple-s-Doorhttp://cdn.newslook.com/17/171dd3161df3afb7b97a063a537e6bc4/mp4_low/171dd3161df3afb7b97a063a537e6bc4-mp4_low.mp4http://www.guampdn.com/VideoNetwork/1745380308001/Google-Others-Knocking-Hard-on-Apple-s-Doorhttp://cdn.newslook.com/17/171dd3161df3afb7b97a063a537e6bc4/images/frame_0012.jpgGoogle, Others Knocking Hard on Apple's DoorGoogle's Nexus 7 tablet is selling out making the company a potential threat to Apple in the hardware business. And it's not the only one looking to cut into Apple's dominance.3consumer electronicsMICROSOFT CORPORATIONtechnologyFinanceipadNewsbusinessGoogle Inc.googmoneynewslookMSFTAAPLApple Inc.02:02